| Piqua to Deville-les-Rouen | 4,003.11 mi (6,442.38 km) |
| Piqua to Dieppe | 3,990.75 mi (6,422.49 km) |
| Piqua to Digne-les-Bains | 4,396.84 mi (7,076.04 km) |
| Piqua to Dijon | 4,233.34 mi (6,812.90 km) |
| Piqua to Dinan | 3,906.10 mi (6,286.27 km) |
| Piqua to Dinard | 3,900.51 mi (6,277.27 km) |
| Piqua to Divonne-les-Bains | 4,312.54 mi (6,940.35 km) |
| Piqua to Dole | 4,260.31 mi (6,856.30 km) |
| Piqua to Dombasle-sur-Meurthe | 4,242.65 mi (6,827.88 km) |
| Piqua to Domerat | 4,162.58 mi (6,699.03 km) |
| Piqua to Domont | 4,068.28 mi (6,547.27 km) |
| Piqua to Douai | 4,056.42 mi (6,528.17 km) |
| Piqua to Douarnenez | 3,820.84 mi (6,149.05 km) |
| Piqua to Douchy-les-Mines | 4,070.93 mi (6,551.53 km) |
| Piqua to Dourdan | 4,071.12 mi (6,551.83 km) |
